Highway Engineering Part 2

Page 1 of 4

1.

For water bound macadam roads in localities of heavy rainfall, the recommended value of camber is

1in 36

1 in 30

1 in 48

1 in 60

2.

Coefficient of friction is less when the pavement surface is

dry

smooth and dry

smooth and wet

rough

3.

Which of the following shapes is preferred in a valley curve?

simple parabola

spiral

lemniscate

cubic parabola

4.

Reaction time of a driver

increases with increase in speed

is same for all speeds

none of these

decreases with increase in speed

5.

The maximum allowable super elevation is

1 in 30

1 in 15

1 in 12

1 in 18

6.

The maximum design gradient for vertical profile of a road is

exceptional gradient

limiting gradient

ruling gradient

minimum gradient

7.

The materials not included in highway construction are

Stone

Petrol

Soil

Dust

8.

In a proposed alignment the type of soil which will not be preferred is

soft rock

ordinary soil

hard rock

all of these

9.

The surface of highway pavement should be designed to allow

very high rolling resistance

low rolling resistance

no rolling resistance

high rolling resistance

10.

As per IRC the carriage way width for two lane traffic should be

12.5 m

7.5 m

10 m

15 m

Page 2 of 4

11.

The surface of highway pavement should be designed to allow

no rolling resistance

very high rolling resistance

low rolling resistance

high rolling resistance

12.

If ruling gradient is 1 in 20 and there is also a horizontal curve of radius 76 m, then the compensated grade should be

5%

3%

4%

6%

13.

Camber in the road is provided for

none of these

having proper sight distance

counteracting the centrifugal force

effective drainage

14.

In India for design of roads pedestrian is considered as

element of traffic

controller of traffic

essential part of traffic

intruder in traffic

15.

The slope of the line joining the crown and edge of the road surface is known as

cross slope

cross fall

camber

any of these

16.

The steepest gradient in ordinary condition should not exceed

ruling gradient

maximum gradient

exceptional gradient

floating gradient

17.

Stopping sight distance is always

less than overtaking sight distance

more than overtaking sight distance

none of the these

equal to overtaking sight distance

18.

Which of the following roads are congested during peak hours?

express ways

rural roads

urban roads

highways

19.

Camber in the road is provided for

all of these

effective drainage

having proper sight distance

counteracting the centrifugal force

20.

The sequence of four stages of survey in a highway alignment is

reconnaissance, map study, preliminary survey and detailed survey

preliminary survey, map study, reconnaissance and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

map study, reconnaissance, preliminary survey and detailed survey

Page 3 of 4

21.

On a horizontal curve if the pavement is kept horizontal across the alignment, then the pressure on the outer wheels will be

zero

equal to the pressure on inner wheels

less than the pressure on inner wheels

more than the pressure on inner wheels

22.

The camber of road should be approximately equal to

longitudinal gradient

half the longitudinal gradient

two times the longitudinal gradient

three times the longitudinal gradient

23.

For places where there is a passage of flood water then the highway has to be built on

underpass

subway

overpass

embankment

24.

The highest point on a carriageway is known as

camber

crown

superelevation

gradient

25.

The surface of the pavement should be

smooth

rough

very rough

sufficient enough to resist skid

26.

Nagpur road plan formulae were prepared by assuming

radial or star and block road pattern

rectangular or block road pattern

radial or star and circular road pattern

radial or star and grid road pattern

27.

The value of ruling gradient in plains as per IRC recommendation is

1 in 20

1 in 30

1 in 15

1 in 12

28.

Enoscope is used to find

spot speed

space-mean speed

time-mean speed

average speed

29.

The branch of engineering that deals with improvement of traffic performance, traffic studies and traffic network is called

Highway engineering

Railway engineering

Traffic management

Traffic engineering

30.

For highway geometric design purposes the speed used is

50th percentile

98th percentile

85th percentile

15th percentile

Page 4 of 4

31.

The shape of the chamber, best suited for cement concrete pavements is

parabolic

elliptical

straight line

combination of straight and parabolic

32.

The alignment of road should cross the series of hills through

none of these

saddle

ridge

valley

33.

The layer which is constructed above embankment is called

sub base

base

fill

sub grade

34.

As per IRC, the maximum width of a vehicle should be

1.58m

3.8m

2m

2.44m

35.

For the design of superelevation for mixed traffic conditions, the speed is reduced by

75%

25%

20%

15%

36.

The desirable length of overtaking zone as per IRC recommendation is equal to

two times the overtaking sight distance

three times the overtaking sight distance

five times the overtaking sight distance

overtaking sight distance

37.

The equilibrium super elevation required to counteract the centrifugal force fully is given by

V² / 127R

(0.75V)²/ 127R

V²/ 27.5R

V²/ 75R

38.

The transition curve used in the horizontal alignment of highways as per IRC recommendations is

any of these

cubic parabola

lemniscate

spiral

39.

Which of the following requirement is given most importance in highway design?

maintenance

seasonal

functional

structural

40.

The design life of flexible pavement is

8

10

15

12

Highway Engineering Part 2

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